In older desktop versions of Anki, there were no letters. 1 day is 1440 minutes. Though learning steps support seconds; maybe AnkiDroid also expects seconds?
If you use FSRS, it is better to leave that step to FSRS.
In older desktop versions of Anki, there were no letters. 1 day is 1440 minutes. Though learning steps support seconds; maybe AnkiDroid also expects seconds?
If you use FSRS, it is better to leave that step to FSRS.